# User contributions

- 01:07, 17 September 2012
(diff | hist) . .
**(+1,503)** . . 1998 AIME Problems/Problem 14 (→Solution) - 20:51, 13 September 2012 (diff | hist) . . (+399) . . 2006 AMC 12B Problems/Problem 25
- 20:37, 13 September 2012
(diff | hist) . .
**(+4,299)** . . 2006 AMC 12B Problems/Problem 25 (→Solution) - 19:56, 15 March 2009
(diff | hist) . .
**(+870)** . . 1993 AIME Problems/Problem 14 (→Solution) - 18:46, 15 March 2009 (diff | hist) . . (+4) . . m 1993 AIME Problems (→Problem 14)
- 18:41, 15 March 2009 (diff | hist) . . (+492) . . 1997 AIME Problems/Problem 9 (→Solution)
- 16:33, 15 March 2009 (diff | hist) . . (-27) . . m 2006 AIME II Problems/Problem 15 (→Solution)
- 00:16, 13 March 2009 (diff | hist) . . (+327) . . Hypotenuse
- 23:03, 11 March 2009 (diff | hist) . . (+1) . . m 2004 AIME I Problems (→Problem 4)
- 23:45, 18 February 2009
(diff | hist) . .
**(+892)** . . 1962 IMO Problems/Problem 4 (current) - 23:57, 15 February 2009 (diff | hist) . . (+4) . . 2002 AIME II Problems/Problem 14 (→Solution)
- 23:57, 15 February 2009 (diff | hist) . . (-6) . . 2002 AIME II Problems/Problem 14 (→Solution)
- 23:49, 15 February 2009
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**(+589)** . . 2002 AIME II Problems/Problem 14 - 22:31, 10 February 2009 (diff | hist) . . (0) . . m 1984 AIME Problems/Problem 2 (→Solution)
- 22:29, 10 February 2009
(diff | hist) . .
**(+553)** . . N Change of base formula (New page: The change of base formula, shown below, is a property of logarithms. It states that for any positive <math>d,a,b</math> such that none of <math>d,a,b</math> are <math>1</math>, we have: ...) - 22:21, 10 February 2009 (diff | hist) . . (+13) . . m 1984 AIME Problems/Problem 14 (→Solution)
- 22:17, 10 February 2009 (diff | hist) . . (-4) . . m 1983 AIME Problems/Problem 5 (→Solution)
- 02:23, 10 February 2009 (diff | hist) . . (+246) . . 2007 AMC 12B Problems/Problem 11
- 02:20, 10 February 2009 (diff | hist) . . (+60) . . 2007 AMC 12B Problems/Problem 10 (→Solution)
- 02:31, 8 February 2009 (diff | hist) . . (+200) . . 1951 AHSME Problems/Problem 2 (→Solution)
- 02:26, 8 February 2009 (diff | hist) . . (+4) . . m 1951 AHSME Problems/Problem 2 (→Problem)
- 02:25, 8 February 2009 (diff | hist) . . (+25) . . 1951 AHSME Problems/Problem 2 (→Problem)
- 02:21, 8 February 2009
(diff | hist) . .
**(+603)** . . N 1951 AHSME Problems/Problem 1 (New page: == Problem == The percent that <math>M</math> is greater than <math>N</math> is: <math>(\mathrm{A})\ \frac{100(M-N)}{M} \qquad (\mathrm{B})\ \frac{100(M-N)}{N} \qquad (\mathrm{C})\ \frac{...) - 02:10, 8 February 2009
(diff | hist) . .
**(+1,297)** . . N 2003 AMC 12B/Problem 8 (New page: == Problem == Equilateral <math>\triangle DEF</math> is inscribed in equilateral <math>\triangle ABC</math> with <math>\overline{DE}</math> perpendicular to <math>\overline{BC}</math>. Wha...) - 01:52, 8 February 2009 (diff | hist) . . (-1) . . m 2001 AMC 12 Problems/Problem 9 (→Problem)
- 01:51, 8 February 2009 (diff | hist) . . (0) . . 2001 AMC 12 Problems/Problem 9 (→Solution)
- 01:51, 8 February 2009 (diff | hist) . . (-2) . . 2001 AMC 12 Problems/Problem 9 (→Solution)
- 01:51, 8 February 2009 (diff | hist) . . (+472) . . N 2001 AMC 12 Problems/Problem 9 (New page: == Problem == Let <math>f</math> be a function satisfying <math>f(xy) = \frac{f(x)}y</math> for all postitive real numbers <math>x</math> and <math>y</math>, and <math>f(500) =3</math>. Wh...)
- 00:09, 8 February 2009 (diff | hist) . . (+13) . . m 2001 AMC 12 Problems/Problem 19 (→Solution)
- 00:08, 8 February 2009 (diff | hist) . . (+387) . . 2001 AMC 12 Problems/Problem 19 (→Problem)
- 00:05, 8 February 2009 (diff | hist) . . (+405) . . N 2001 AMC 12 Problems/Problem 19 (New page: == Problem == The polynomial <math>p(x) = x^3+ax^2+bx+c</math> has the property that the average of its zeros, the product of its zeros, and the sum of its coefficients are all equal. The ...)
- 00:00, 8 February 2009
(diff | hist) . .
**(+778)** . . N 2001 AMC 12 Problems/Problem 13 (New page: == Problem == The parabola with equation <math>p(x) = ax^2+bx+c</math> and vertex <math>(h,k)</math> is reflected about the line <math>y=k</math>. This results in the parabola with equatio...) - 23:55, 7 February 2009 (diff | hist) . . (+1) . . m 2001 AMC 12 Problems/Problem 1 (→Problem)
- 23:45, 7 February 2009 (diff | hist) . . (-1) . . m 1998 AHSME Problems (→Problem 21)
- 23:43, 7 February 2009 (diff | hist) . . (-1) . . m 1998 AHSME Problems/Problem 21 (→Problem)
- 23:21, 7 February 2009
(diff | hist) . .
**(+552)** . . 2002 AMC 12A Problems/Problem 10 (→Problem) - 23:12, 7 February 2009 (diff | hist) . . (+284) . . 2002 AMC 12A Problems (→Problem 6)
- 23:11, 7 February 2009 (diff | hist) . . (+360) . . 2002 AMC 12A Problems (→Problem 3)
- 23:08, 7 February 2009 (diff | hist) . . (+498) . . 2002 AMC 12A Problems (→Problem 10)
- 23:06, 7 February 2009
(diff | hist) . .
**(+511)** . . N 2002 AMC 12A Problems/Problem 10 (New page: == Problem == Sarah places four ounces of coffee into an eight-ounce cup and four ounces of cream into a second cup of the same size. She then pours half the coffee from the first cup to t...) - 01:02, 3 February 2009 (diff | hist) . . (+274) . . 2000 AMC 12 Problems/Problem 12 (→Solution)
- 00:51, 3 February 2009 (diff | hist) . . (+458) . . 2000 AMC 12 Problems/Problem 9 (→Solution)
- 00:44, 3 February 2009 (diff | hist) . . (+494) . . 2000 AMC 12 Problems/Problem 8 (→Solution)
- 17:14, 18 August 2008 (diff | hist) . . (+1) . . 2002 AIME I Problems/Problem 4 (→Solution)
- 17:13, 18 August 2008 (diff | hist) . . (+232) . . 2002 AIME I Problems/Problem 4 (→Solution)
- 17:00, 18 August 2008
(diff | hist) . .
**(+610)** . . 2002 AIME I Problems/Problem 5 - 12:08, 23 July 2008 (diff | hist) . . (-380) . . 1997 AIME Problems/Problem 15 (→See also)
- 12:08, 23 July 2008 (diff | hist) . . (+394) . . 1997 AIME Problems/Problem 15 (→Solution)
- 12:47, 15 March 2008
(diff | hist) . .
**(+715)** . . 1991 AIME Problems/Problem 9 (→Solution)